Year	% of GDP
1960	22.07192493645612
1961	21.50187279256579
1962	21.93070271446552
1963	21.116282655607087
1964	19.806398300006876
1965	20.828615902624566
1966	20.46046261840925
1967	19.105769839508135
1968	19.761847185084598
1969	20.3748078323902
1970	21.373068399595795
1971	23.370552159417127
1972	24.466318473608045
1973	24.020735142592166
1974	22.83545603738868
1975	24.26100889738479
1976	28.03063741655271
1977	29.481121229434898
1978	32.97581324110863
1979	35.39489207650975
1980	34.46655200038242
1981	34.45679402860854
1982	36.105175872079556
1983	36.235999453715536
1984	38.15625830312401
1985	39.528339757902636
1986	41.66114612220683
1987	42.63416644259966
1988	42.50398944468763
1989	42.81633591102114
1990	42.18377308509634
1991	43.41785553367278
1992	44.144429310320525
1993	44.883458875736615
1994	46.0214654858897
1995	43.54530888158604
1996	44.68943654979778
1997	47.45998230403393
1998	48.90130685085779
1999	51.06492595534687
2000	54.64512918314479
2001	57.73906776826709
2002	62.619524516023596
2003	63.179253603883765
2004	64.63570805819128
2005	65.54812189517467
2006	68.06302178748437
2007	72.28042392190527
2008	77.37295611053408
2009	79.07519634484706
2010	77.67995244356997
2011	78.83731128653596
2012	76.91318852055223
2013	78.1821717320646
2014	77.89935375884784
2015	78.01191058418365
2016	74.5492653519452
2017	74.14418936246629
2018	74.0978246047274
2019	76.98188096811239
2020	87.67667268304508
2021	82.10203483124